Expertini Research Research

Browse Research Papers

38+ open-access research outputs.

โœ• Clear
๐Ÿ” ozan oktem ๐Ÿ“‚ Physics
Showing 38 results for "ozan oktem" in Physics
Physics Preprint PDF DOI

Data reduction method for OPTICAM multiband time series of transiting exoplanets

S. Paez, Y. Gomez Maqueo Chew, L. H. Hebb ยท 2026

We present a methodology for acquiring and reducing transiting exoplanet light curves obtained with the OPTICAM instrument in the Observatorio Astron\'omico Nacional en la Sierra de San Pedro M\'artirโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Photonic timing-engineered solitons for dual-microcomb metrology

Zihao Wang, Guoliang Li, Changrui Liu, Yue Hu, Zeying Zhong, Changxi Yang, Junqiu Liu, Chengying Bao ยท 2026

Dissipative microcavity solitons offer a route to integrate comb-based metrology systems on photonic chips. However, integrated solitons generally lack agile control of comb parameters, particularly pโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A COLIBRI Photometric Study of SN 2025bvm: A Normal, Slowly Declining Type Ia Supernova

Diego Hernando Gonzalez-Buitrago, Maria Teresa Garcia-Diaz, Alberto Emiliano Montoya-Olivo, Sergio Sanchez-Sanjuan, Hector Avila-Mogollon ยท 2026

We present 121 days of multi-band (\Bband, \gband, \rband, \iband) optical photometry of the Type Ia supernova SN 2025bvm, obtained with the COLIBRI telescope at OAN-SPM. The light curves show a photoโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Exploratory Study of Chaotic Behavior in Walking Droplets

Emily Dunn, Bavand Keshavarz, Earl Dowell ยท 2025

The interaction of 'walking droplets' and capillary waves in a weakly subcritical Faraday wave experiment has been studied as a hydrodynamic analog to Bohmian quantum mechanics (see "Hydrodynamic Quanโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Tracking optical variability and outflows across the accretion states of the black hole transient MAXI J1820+070

M. C. Baglio, K. Alabarta, D. M. Russell, N. Masetti, M. M. Messa, T. Munoz Darias, F. M. Vincentelli, S. K. Rout, P. Saikia, A. Gabuya, V. Chavushyan, T. Al Qaissieh, A. Palado ยท 2025

We present a study of the minute-timescale optical variability and spectroscopic outflow signatures in the black hole X-ray binary MAXI J1820+070 during its 2018 outburst and re-brightenings. Minute-cโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

ESpRESSO -- Forward modeling Roman Space Telescope spectroscopy

Austen Gabrielpillai, Isak G. B. Wold, Sangeeta Malhotra, James Rhoads, Guangjun Gao, Mainak Singha, Anton M. Koekemoer ยท 2024

We describe the software package $\texttt{ESpRESSO}$ - [E]xtragalactic [Sp]ectroscopic [R]oman [E]mulator and [S]imulator of [S]ynthetic [O]bjects, created to emulate the slitless spectroscopic observโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Instrumental Broadening Of The SPOL Spectropolarimeter At The University Of Arizona

Alfredo Amador-Portes, Vahram Chavushyan, Victor M. Patino-Alvarez ยท 2024

The Ground-based Observational Support of the Fermi Gamma-ray Space Telescope is conducted by the University of Arizona using the 2.3m Bok and 1.54m Kuiper telescopes operated by the Steward Observatoโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Faddeev-Jackiw Hamiltonian formulation for general exotic bi-gravity

Omar Rodriguez-Tzompantzi ยท 2024

General exotic bi-gravity, obtained in Ozkan et al. (Phys Rev Lett 123(3):031303, 2019), is a unitary parity-preserving model which describes two interacting spin-two fields in three-dimensional spaceโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

CCD Photometry of Trapezia Stars I

A. Ruelas-Mayorga, L. J. Sanchez, A. Paez-Amador, O. Segura-Montero, A. Nigoche-Netro ยท 2024

We present photometric CCD observations of stars in four stellar trapezia ADS 15184, ADS 4728, ADS 2843, and ADS 16795. This study is performed on images obtained at the Observatorio Astron\'omico Nacโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Exceptional points and exponential sensitivity for periodically driven Lindblad equations

Jonas Larson, Sofia Qvarfort ยท 2023

In this contribution to the memorial issue of G\"oran Lindblad, we investigate the periodically driven Lindblad equation for a two-level system. We analyze the system using both adiabatic diagonalizatโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A perspective on Lindblad's Non-Equilibrium Entropy

Erik Aurell, Ryoichi Kawai ยท 2023

G\"oran Lindblad in 1983 published a monograph on non-equilibrium thermodynamics. We here summarize the contents of this book, and provide a perspective on its relation to later developments in statisโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Non-invertible symmetries and RG flows in the two-dimensional $O(n)$ loop model

Jesper Lykke Jacobsen, Hubert Saleur ยท 2023

In a recent paper, Gorbenko and Zan [arXiv:2005.07708] observed that $O(n)$ symmetry alone does not protect the well-known renormalization group flow from the dilute to the dense phase of the two-dimeโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Truchet-tile structure of a topologically aperiodic metal-organic framework

Emily G. Meekel, Ella M. Schmidt, Lisa J. Cameron, A. David Dharma, Hunter J. Windsor, Samuel G. Duyker, Arianna Minelli, Tom Pope, Giovanni Orazio Lepore, Ben Slater, Cameron J. Kepert, Andrew L. Goodwin ยท 2022

Periodic tilings can store information if individual tiles are decorated to lower their symmetry. Truchet tilings - the broad family of space-filling arrangements of such tiles - offer an efficient meโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Quantum Steering on IBMQ

Lennart Maximilian Seifert, Konstantin Beyer, Kimmo Luoma, Walter T. Strunz ยท 2021

We use contemporary quantum computers to experimentally investigate quantum steering ofan open quantum system by measurements on its environment. On three IBMQ processors wedistinguish a qubit as the โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Hybrid InP and SiN integration of an octave-spanning frequency comb

Travis C. Briles, Su-Peng Yu, Lin Chang, Chao Xiang, Joel Guo, David Kinghorn, Gregory Moille, Kartik Srinivasan, John E. Bowers, Scott B. Papp ยท 2021

Implementing optical-frequency combs with integrated photonics will enable wider use of precision timing signals.Here, we explore the generation of an octave-span, Kerr-microresonator frequency comb, โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Semiclassical propagator approach for emission processes. I. Two body non-relativistic case

S.A. Ghinescu, D.S. Delion ยท 2021

We compare the coupled channels procedure to the semiclassical approach to describe two-body emission processes, in particular $\alpha$-decay, from deformed nuclei within the propagator method. We expโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Shear Induced Orientational Ordering in Active Glass

Rituparno Mandal, Peter Sollich ยท 2021

Dense assemblies of self propelled particles, also known as active or living glasses are abundantaround us, covering different length and time scales: from the cytoplasm to tissues, from bacterialbio-โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Optical spectroscopic observations of low-energy counterparts of Fermi-LAT gamma-ray sources

H. A. Pena-Herazo (UniTO, INAOE, INFN-TO, INAF-OATO), R. A. Amaya-Almazan (INAOE), F. Massaro (UniTO, INAF-OATO, INFN-TO, CIFS), R. de Menezes (UniTO, Univ. de Sao Paulo), E. J. Marchesini (UniTO, UniLP, INAF-OAS), V. Chavushyan (INAOE), A. Paggi (INAF-OATO, CIFS), M. Landoni (INAF-OABrera), F. Ricci (PUC), N. Masetti (INAF-OAS, Univ. Andres Bello), R. D'Abrusco (SAO), C. C. Cheung (NRL), F. La Franca (UniROMATRE), H. A. Smith (SAO), D. Milisavljevic (Purdue Univ.), E. Jimenez-Bailon (UNAM), V. M. Patino-Alvarez (INAOE, MPIfRA), G. Tosti (UniPG) ยท 2020

A significant fraction of all $\gamma$-ray sources detected by the Large Area Telescope aboard the \fer\ satellite is still lacking a low-energy counterpart. In addition, there is still a large populaโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Thirteen years of Weather Statistics at San Pedro Martir Observatory

I. Plauchu-Frayn, E. Colorado, M. G. Richer, C. Herrera-Vazquez ยท 2020

We present weather statistics for thirteen years of data gathered with the meteorological stations at Observatorio Astron\'omico Nacional in the Sierra San Pedro M\'artir (OAN-SPM) over the period 200โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Optical spectroscopic observations of gamma-ray blazar candidates. X. Results from the 2018--2019 SOAR and OAN-SPM observations of blazar candidates of uncertain type

Raniere de Menezes, Raul A. Amaya-Almazan, Ezequiel J. Marchesini, Harold A. Pena-Herazo, Francesco Massaro, Vahram Chavushyan, Alessandro Paggi, Marco Landoni, Nicola Masetti, Federica Ricci, Raffaele D'Abrusco, Fabio La Franca, Howard A. Smith, Daniel Milisavljevic, Gino Tosti, Elena Jimenez-Bailon, Teddy Cheung ยท 2020

The fourth Fermi Large Area Telescope Source Catalog (4FGL) lists over 5000 gamma-ray sources with statistical significance above 4$\sigma$. About 23% of the sources listed in this catalog are unidentโ€ฆ

Read Paper โ†’
Page 1 of 2 Next โ†’